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3 February, 06:29

A 6kg object speeds up from 5 m/s to 20 m/s. find p

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Answers (2)
  1. 3 February, 07:07
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    as we know tha momentum is product of mass and velocityi. e p=mv but here in this question velocity changes from 5m/s to 20 m/s so here formula becomes

    p = (final velocity - initial velocity) mass

    so (20-5) 6=90kgm/s ANS
  2. 3 February, 08:01
    0
    Momentum = mass x speed

    The object's momentum is 30 kg-m/s at the beginning, 120 kg-m/s at the end, and its change in momentum is 90 kg-m/s.
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